Finding the Fourth Proportional to 275,824.98, 413,729.16 and 76,157.52
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Solution
The fourth proportional to 275,824.98, 413,729.16 and 76,157.52 is: 114,233.99
Step by Step Solution
- Step 1: Write the proportion equation
275,824.98 : 413,729.16 = 76,157.52 : x - Step 2: Convert to fraction form
275,824.98/413,729.16 = 76,157.52/x - Step 3: Cross multiply
275,824.98x = 413,729.16 × 76,157.52 - Step 4: Simplify right side
275,824.98x = 31,508,586,777.28 - Step 5: Solve for x
x = 31,508,586,777.28/275,824.98 - Step 6: Final answer
x = 114,233.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.